April 2017
Service and Repair Manual
Boom Components
Part No. 1272854
GTH-844
21
How t o R emove t he Lif ting F or k Fr ame
How to Remove the Lifting Fork
Frame
1
With the boom in the stowed position, attach a
lifting strap from an overhead crane to the top
of the lifting fork frame at the front of the boom.
Support the frame. Do not apply any lifting
pressure.
2
Working from the rear of the frame, lift the
spring-assisted handle of the lock securing the
lower fork frame lock pin to the fork frame
mount. Use a soft metal drift to remove the pin.
3
Using the overhead crane, lift and remove the
fork frame from the boom.
Crushing hazard. The fork frame
could fall if not properly supported
when the lock pin is removed
from the machine.
How t o R eplac e t he R etraction C hain
How to Replace the Retraction
Chain
Note: Perform this procedure on a firm, level
surface with the boom in the stowed position and
the wheels chocked.
1
Start the engine and allow the engine to idle.
2
Raise the boom to a horizontal position.
3
Fully retract the boom.
4
Extend the boom approximately 1 inch /
2.5 cm.
5
Turn the machine off and remove the key from
the key switch.
6
Working at the fork end of the boom, remove
the fasteners securing the single-chain anchor
to the top of boom tube number 1.
Note: When installing the new chain, the chain
tensioner should be mounted in the two most
rearward holes.
1 retract chain anchor
Summary of Contents for GTH-844
Page 12: ......
Page 61: ...April 2017 Service and Repair Manual Manifolds Part No 1272854 GTH 844 49...
Page 63: ...April 2017 Service and Repair Manual Manifolds Part No 1272854 GTH 844 51...
Page 65: ...April 2017 Service and Repair Manual Manifolds Part No 1272854 GTH 844 53...
Page 67: ...April 2017 Service and Repair Manual Manifolds Part No 1272854 GTH 844 55...
Page 151: ...April 2017 Service and Repair Manual 139 Harness Map Options Work Lights to 15 21456...
Page 155: ...April 2017 Service and Repair Manual 143 Harness Map Options Road Lights to 15 21456...
Page 159: ...April 2017 Service and Repair Manual 147 Harness Map Options Enclosed Cab with Heater...
Page 162: ...Service and Repair Manual April 2017 150 Harness Map Options Enclosed Cab with HVAC...
Page 163: ...April 2017 Service and Repair Manual 151 Electrical Schematic View 1 to 15 20661...
Page 166: ...Service and Repair Manual April 2017 154 Electrical Schematic View 2 to 15 20661...
Page 167: ...April 2017 Service and Repair Manual 155 Electrical Schematic View 1 from 15 20662 to 21456...
Page 170: ...Service and Repair Manual April 2017 158 Electrical Schematic View 2 from 15 20662 to 21456...
Page 171: ...April 2017 Service and Repair Manual 159 Electrical Schematic View 1 from 15 21457 to 21535...
Page 174: ...Service and Repair Manual April 2017 162 Electrical Schematic View 2 from 15 21457 to 21535...
Page 175: ...April 2017 Service and Repair Manual 163 Electrical Schematic View 1 from 15 21536 16E 10000...
Page 178: ...Service and Repair Manual April 2017 166 Electrical Schematic View 2 from 15 21536 16E 10000...
Page 179: ...April 2017 Service and Repair Manual 167 Hydraulic Schematic Single Joystick to 19528...
Page 183: ...April 2017 Service and Repair Manual 171 Hydraulic Schematic Dual Joystick to 19528...